/Engine/Plugins/VirtualProduction/Rivermax/RivermaxCore/Source/RivermaxCore/Public/IRivermaxInputStream.h
Called when stream is ready to fill the next frame. Returns true if a frame was successfully requested
bool OnVideoFrameRequested ( const [FRivermaxInputVideoFrameDescriptor](API\Plugins\RivermaxCore\FRivermaxInputVideoFrameDescript-) & FrameInfo, [FRivermaxInputVideoFrameRequest](API\Plugins\RivermaxCore\FRivermaxInputVideoFrameRequest) & OutVideoFrameRequest )